*SUPPORT*
IN: dax fep dax OUT: YELLOW YELLOW
IN: tufa wif zup gazzer lug wif OUT: RED PINK GREEN GREEN GREEN PINK
IN: tufa fep zup gazzer OUT: RED GREEN GREEN GREEN
IN: zup fep dax gazzer lug zup OUT: GREEN YELLOW YELLOW YELLOW GREEN
IN: wif lug dax OUT: PINK YELLOW
IN: dax lug dax OUT: YELLOW YELLOW
IN: tufa OUT: RED
IN: dax zup OUT: YELLOW GREEN
IN: tufa gazzer OUT: RED RED RED
IN: zup dax zup fep wif lug dax OUT: GREEN YELLOW GREEN PINK YELLOW
IN: zup zup zup gazzer lug tufa OUT: GREEN GREEN GREEN GREEN GREEN RED
IN: wif fep tufa gazzer OUT: PINK RED RED RED
IN: zup gazzer OUT: GREEN GREEN GREEN
IN: wif fep dax gazzer OUT: PINK YELLOW YELLOW YELLOW

*QUERY*
IN: dax zup tufa lug dax OUT: YELLOW GREEN RED YELLOW
IN: wif gazzer OUT: PINK PINK PINK
IN: wif fep tufa lug zup OUT: PINK RED GREEN
IN: dax gazzer lug wif OUT: YELLOW YELLOW YELLOW PINK
IN: wif OUT: PINK
IN: zup wif gazzer lug zup lug dax OUT: GREEN PINK PINK PINK GREEN YELLOW
IN: wif lug wif OUT: PINK PINK
IN: tufa dax fep wif gazzer OUT: RED YELLOW PINK PINK PINK
IN: dax wif OUT: YELLOW PINK
IN: wif lug zup OUT: PINK GREEN

*GRAMMAR*
zup -> GREEN 
 dax -> YELLOW 
 wif -> PINK 
 tufa -> RED 
 u1 gazzer -> [u1] [u1] [u1] 
 x1 lug u1 -> [x1] [u1] 
 u1 fep x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 